http: simplify getName with destructuring and template literals

Use object destructuring to extract options properties and template
literals to construct the name string, improving code readability
and reducing intermediate string concatenations.

Author: Ayoub-Mabrouk

lib/_http_agent.js

@@ -259,23 +259,16 @@ Agent.prototype.createConnection = function createConnection(...args) {
 
 // Get the key for a given set of request options
 Agent.prototype.getName = function getName(options = kEmptyObject) {
-  let name = options.host || 'localhost';
-
-  name += ':';
-  if (options.port)
-    name += options.port;
-
-  name += ':';
-  if (options.localAddress)
-    name += options.localAddress;
+  const { host = 'localhost', port, localAddress, family, socketPath } = options;
+  let name = `${host}:${port || ''}:${localAddress || ''}`;
 
   // Pacify parallel/test-http-agent-getname by only appending
   // the ':' when options.family is set.
-  if (options.family === 4 || options.family === 6)
-    name += `:${options.family}`;
+  if (family === 4 || family === 6)
+    name += `:${family}`;
 
-  if (options.socketPath)
-    name += `:${options.socketPath}`;
+  if (socketPath)
+    name += `:${socketPath}`;
 
   return name;
 };